Home / 3,021.25-4,529.04-2,750.71

Finding the Fourth Proportional to 3,021.25, 4,529.04 and 2,750.71

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Solution

The fourth proportional to 3,021.25, 4,529.04 and 2,750.71 is: 4,123.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,021.25 : 4,529.04 = 2,750.71 : x
  2. Step 2: Convert to fraction form
    3,021.25/4,529.04 = 2,750.71/x
  3. Step 3: Cross multiply
    3,021.25x = 4,529.04 × 2,750.71
  4. Step 4: Simplify right side
    3,021.25x = 12,458,075.62
  5. Step 5: Solve for x
    x = 12,458,075.62/3,021.25
  6. Step 6: Final answer
    x = 4,123.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.